Governor for internal-combustion engines



W. F.`VALLIER.

' GOVERNOR FOR INTERNAL COMBUSTION ENGINES.

APPLICATION FILED SEPT. 24. I9] 7.

1 ,327,8k'7.,- Patented J an. 13, 192.0.

2 SHEETS-SHEET 1.

` LATE-.1;

544 UvA/woz v w. F. VALLIER. GOVERNO-R FOR INTERNAL COMBUSTION ENGINES.

APPLICATION FILED SEPT.I ,1911. v

1,327,847; Patented: Jan. 13, 1920.-

2 SHEETS-*SHEET 2- l ZZ /7 ILELZJL Zz 2523 2f# @mib/woo UNTTED STATES PATENT OFFICE.

i WILFRED F.' VVALLILR, or roNTAc, MICHIGAN.

V'GI'VERNOIR, FOR INTERNAL-COMBUSTION ENGINES.

it appertains to make and use the same.

My invention relates -to automatic governors for internal combustion engines, the device being designed primarily for preventing the motors of commercial trucks and the like, from being driven'at an`excessive speed, either when the motor is pulling the load or when coasting down grade.

The principal object of the invention is tow provide a device of the class described which may be easily and inexpensively manufac tured and marketed, yet one which will bev highly efficient and durable and may be easily installed in connection with -practically all types of commercial trucksl and other forms of motor vehicles.

With the foregoing general object in view, the invention resides in the novel features of construction and unique combination of parts to be hereinafter fullydescribed and claimed, the descriptive matter being supplemented by the vaccompanyin drawings .l which form a part of this speci cation and in which Figure 1 is a central vertical section of the improved governor, showing the positions of parts when the engine is traveling at .the

minimum speed; v

Fig, 2 is a duplicate of Fig. 1 with the exception that it illustrates the relative positions of parts when the motor is rotating at the' maximum .speed permitted byV the device;

A Fig. 3 is a horizontal section on the of the line- 3--3 of Fig. 2; and

Fig. 4 is a detail vertical section on the plane indicated by the line 4 4 .of Fig. 1.

In the drawings above briefiy described,

the numeral 1 designates a casing adapted to be inserted between the carbureter and in.

take manifold of an linternal combustion engine of any character, although it will be clear that the device-could well be installed at any other preferred location. The casing 1 is provided with. a fuel passage 2 having a cylindrical intermedate'portion 3, an

specification of Letters ratnt.

. at the lower end of the device.

plane Patentedean. 13, 1920.A

Application iledseptember 24, 1917. Serial N 192,974..

inlet end 4 which is flared toward the carbureter, and an outlet end 5 which is increased in diameter to provide la final mixing chamber for the fuel before 'it is drawn into the manifold for passage to the engine cylinders.l

A1mushroom barrier 6 is located lin the mixing chamber 5 and is supported by any preferred means such as a spider 7 fitting into the upper end ofthe passage 2, the periphery of said barrier preferably having= teeth 8 which serve to break up the fuel to insure eective mixing of the gasolene and air. Coperating with the teeth 8, are similar teeth 9 which'project inwardly from the wall of the passage 2, adjacent the delivery endof said passa-ge, the teeth 9 being preferably formed on the inner edge of a ring 10 which is secured in place by means of the spider 7. i

Mountedl slidably within the cylindrical intermediate portion `3 of the passage 2, and contacting with the wall of said passage, is a valve sleeve 11 which is movable, by means of suction', into the mixing chamber 5 for coperation with-the barrier 6, in controlling the amountv of fuel passing from the device into the intake manifold. The sleeve i i 11 is carried by a spider 12forrned' on the upper end of a tubular stem 13, saidstem being slidable on a rod 14 which is positioned coaxially in the casing land held in place by the .spider 7 and an additional spider'15 By spring means yet to be described,.the valve 11 is normally lowered to'permit free passage of,

fuel through the device,but when-the suction throughthe passagef2, attains power above a pre-determined degree, this suction acts on one or more plungers or disks 16 which are xedly mountedon the stem 13 @and held in spaced relationl by any preferred means. When several of the disks 16 lare employed, they are of various sizes'to correspond tothe taper of the end 4 vof the passage 2, in which .end -they are located. By positioning the disks in this tapered end of the device, it will be obvious that when they;

are raised by suction, the space between .their edges and the wall of thepassage 2, will be decreased, thus initially cutting down the 4amount of fuel passing through the device,`

so that all of the fuel checking need not be done by the single valve 11. Since'the fuel must pass around the disks. 16, it ,comes in intimate contact therewith, and it will thus be clear that by forming teeth 17 on the edges of said disks, these teeth will serve to effectively break up the fuel to cause thorough mixing thereof, before the further action of the teeth 8 and 9 takes place.

` Any preferred spring means could well be I' employed for normally holding the sleeve end of the casing 22 to retain the adjustingmember 23 in place, and in order that un-l 11 in `lowered position, but I preferably'pr'ov vide a spiral spring 18, a rock shaft 19 con-A nected to s aid spring and operated thereby, and a crank arm 2O havinga forked end 21 straddling the stem 13 and resting on the- 22 carried on the exterior ofthe main casing 1, the endjof said springremote from the the finalmixing taking place within the chamber 5 in which the fuel must first pass outwardly around the edge of the barrier 6 and then inwardly in engagement with the teeth 9.

Although excellent results are obtained .from theV specific details Vof\. construction up'perV lock nut of the uppermost disk 16.` r Thespring 18" is located in a suitable casing shaft 19, being secured toa circular adjustp ing member 23 .having a series of sockets 24 for engagement with a stud -25 in the casing, whereby turning of said adjusting mem- :ber will vary the tension vof the spring, as occasion may require, after Which,- engagement of one of the sockets 24 with the stud` v25, will hold said member in adjusted position.- A cap 26. is'threaded on the outer .I authorized persons may not adjust said member, any preferred lock Vor seal'27 lis provided to prevent removal of the cap 26.

In theoperation of the improved device,`

with the'engine running at minimum speed,

all parts remain as depicted in Fig. 1, and in f act-the several parts will remain in'these posltions, until the engine has reached a pre-determined high, speed. 'When this l' takes place, however, 'the strength of ',the

suction through the passage 2 is so great as l to act upon the plungers or disks- 16, so that 40.

the latter are raised against .the tension of shown and described, I wish 1t' understood that within the scope of the .invention as claimed, numerous minor changes may well be made. 3

I claimz. A

1. A governor'for internal combustion engines comprising a fuel passage having a cylindrical intermediate portion land increased graduallyin diameter from said portion toward its inlet end,'the outlet end 'of said vpassa e beingenlarged to provide a mixing-cham er, a fixed' central barrier-in said chamber around which the` fuel passes,

a spring-resisted valve sleeve in sliding conl Itact with .the. wall of said cylindrical interthe spring 18, thus bringing the valve sleeve 11 into contact with or into closel, roximityto the barrier', so that 4the supp y of fuel I 1s either cut down or altogether shut oli'.

-It will thus be -obvious that racing of-` the l engine *is prevented, either when pulling the load, or when the engine is being driven by the vehicle in coasting down grade.

Under the last-namedy circumstances, thesleeve 11 the engine has reached a pre-determinedwill comein contact with/the barrier 6 after speed, and will thus "positively cut oft' the .supply of fuelto the motor. By this means,

the'motor is caused to more efectivelygexert 55` a: brakirfg ac tion on the vehicle to prevent excessive speed thereof while coasting', and

thus wear and tear on the' brakes as well as on i the vehicle in general is prevented.

Throughout the operation of the device, ex-

cept when the'- valve 11 is entirely closed, the

several series of teeth Sand 9 and 17, cause F effective commingling of the air and gas so i that a highlyvolatile mixture is Provided,

mediate portion of thepassage and movabley into said chamber for coactio'nI with vsaid barrier, a stem onvsaid sleeve, and a suction operated disk ixedly mounted .onl said'stem and positioned in'said'gradu lly increasing portion end of the fuel passage.

-j 2. A governor for .internal combustion engines comprising a vertically disposed tubular passage member having attaching means at its ends, said passage member havin a cylindrical intermediate increased gradually in dlameter 'from said ortion and being c lindrical portion to its lower end, the portion of said passage member above said cylindrical-portion being increased 1n d1- ameter to form a mixlng chamber, removable spiders extending across the ends of g i said passage member, a mushroom `barrier carried bythe up er spider and located in vsaid mixing cham r, an open ended sleeve valve slidable in said cylindrical portion'of said passage member and capable of movement into. contact with said barrier, va spider' secured tosaidvalve and-having'a depend- 1 ing tubular stem, a disk mounted fixedly on .said stem and disposed in the tapered lower 'y end of the passage member, 'spring means resisting the upward movement of said j valve, stem and disk,'a1rd a tie 'rod extending from one of saidremovable spiders to thev other and passing through said stem, 

